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Unformatted text preview: chauhan (mmc2762) Jan 17 HW sparks (51150) 1 This print-out should have 7 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. For next class, preview section 12.2. You do not need to learn all the material in this section, just look it over so you are familiar with the vocabulary and have a basic idea of what we will be covering. This will help you as we discuss this material in the next class. Focus on the bolded terms and their definitions, the figures and their captions, and highlighted equations. Some prerequisite information is covered in this assignment. You can find more practice problems on the course webpage. 001 10.0 points Which of the following is FALSE? 1. The mass of neutrons and electrons are about the same. correct 2. The mass of a hydrogen atom is about the same as a proton. 3. The mass of a proton is much greater than the mass of an electron. 4. The mass of protons and neutrons are about the same. Explanation: A proton weighs 1 amu, as does a neutron. An electron weighs 1 2000 amu. Hydrogen has one proton, one electron, and usually no neutrons, so H weighs about 1 amu....
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This note was uploaded on 04/03/2012 for the course CHEM 56920 taught by Professor Sparks during the Spring '12 term at University of Texas at Austin.
- Spring '12